Bay vs Harpers Ferry

Overview

The Bay and the Harpers Ferry are both Amphibious vessel classes.

Displacement is 16,160 tons for the Bay vs 15,939 tons for the Harpers Ferry. The Bay reaches 18 knots vs 24 knots for the Harpers Ferry. The Bay carries a crew of 70 vs 421 for the Harpers Ferry.

The Bay was produced in 4 units vs 4 for the Harpers Ferry. Cost per hull is $189M for the Bay vs $324M for the Harpers Ferry. The Bay was commissioned in 2006, 11 years after the Harpers Ferry (1995).

Bay

British amphibious vessel, 16,160 tons displacement, propelled by Wärtsilä generators and azimuthing thrusters.
Origin 🇬🇧 United Kingdom
Category Amphibious vessel
Type Landing ship dock
Manufacturer Swan Hunter
Year introduced 2006
Number built 4 units
Estimated unit price $189 million
United States dock landing ship, 15,939 tons displacement, powered by four Colt-Pielstick diesel engines.
Origin 🇺🇸 United States
Category Amphibious vessel
Type Dock landing ship
Manufacturer Avondale Shipyard
Year introduced 1995
Number built 4 units
Estimated unit price $324 million

Bay

Displacement 16,160 tons
Maximum speed 18.0 knots
Range 8,000 nm at 15 knots
Length 176.6 m
Beam 26.4 m
Crew 70
Propulsion 2 × Wärtsilä 8L26 generators, 6,000 hp (4.5 MW); 2 × Wärtsilä 12V26 generators, 9,000 hp (6.7 MW); 2 × azimuthing thrusters; 1 × bow thruster
Armament
  • 2 × DS30B Mk 1 30 mm guns
  • 2 × Phalanx CIWS
  • 4 × 7.62mm Mk44 Miniguns
  • 6 × 7.62mm L7 GPMG
Displacement 15,939 tons
Maximum speed 24.0 knots
Range NA
Length 185.8 m
Beam 26.0 m
Crew 421
Propulsion Four Colt Pielstick, 16-cylinder diesels twin turbo, two shafts, 33,000 shp (25,000 kW)
Armament
  • 2 × 25 mm Mk 38 cannons
  • 2 × 20 mm Phalanx CIWS mounts
  • 2 × RIM-116 Rolling Airframe Missile (RAM) launchers
  • 6 × .50 caliber M2HB machine guns

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Bay-class or Harpers Ferry-class?
The Bay-class has greater displacement at 16,160 tons compared to the Harpers Ferry-class's 15,939 tons.
Which is faster, the Bay-class or Harpers Ferry-class?
The Harpers Ferry-class is faster with a maximum speed of 24 knots compared to the Bay-class's 18 knots.
Which has longer range, the Bay-class or Harpers Ferry-class?
The Bay-class has a longer range at 8,000 nautical miles compared to the Harpers Ferry-class's 0 nautical miles.
Which is longer, the Bay-class or Harpers Ferry-class?
The Harpers Ferry-class is longer at 185.8 meters compared to the Bay-class's 176.6 meters.
How many crew members do the Bay-class and Harpers Ferry-class have?
The Harpers Ferry-class has a larger crew complement of 421 compared to the Bay-class's 70 crew members.
Which is more expensive, the Bay-class or Harpers Ferry-class?
The Harpers Ferry-class is more expensive at approximately $324 million per unit compared to the Bay-class at $189 million.
Which has been built in greater numbers, the Bay-class or Harpers Ferry-class?
Both the Bay-class and Harpers Ferry-class have been built in equal numbers with 4 vessels each.